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Maxim > 方案 > 打印机与传真机

SHA-1安全存储器

数据资料
显示 标题/型号 关键优势
QV  PDF 三路、非易失、小步长调节可变电阻与存储器
DS3906

QV    带有SHA-1引擎的1k位EEPROM iButton
DS1961S

具有世界级安全性的、不锈钢封装,用于访问控制和电子货币应用
QV  PDF ESD保护二极管,带有电阻
DS9503

QV  PDF ESD保护二极管
DS9502

QV  PDF 串行、1-Wire线驱动器
DS2480B

QV  PDF 1Kb、保护型1-Wire EEPROM,带有SHA-1引擎
DS2432

QV    SHA iButton
DS1963S




Key Specifications:   1-Wire Interface Products
Part Number Functions Features Supply Voltage (V) Package Smallest Available Package (max w/pins) (mm2)
DS2480B 
1-Wire Bridge
Connects UART protocol (5V RS-232) to 1-Wire.
4.5 to 5.5 SOIC(N)/8 31
See All 1-Wire Interface Products (5)

Key Specifications:   iButton Products
Part Number Overview Memory Type Memory Size Security Features UniqueWare Real-Time Clock Features
DS1961S 
Secure iButton
EEPROM 1K bits SHA-1
Write-Only Secrets
No No
Monetary Ecash
DS1963S 
Secure iButton
NV SRAM 4Kbits SHA-1
Secure Coprocessor
Write Cycle Counters
Write-Only Secrets
No No
Monetary Ecash
See All iButton Products (26)

Key Specifications:   Digital Potentiometers
Part Number Taper POTs Per Pkg. Control Interface Wiper Memory Number of Steps Res. Tol. (%) Temp. Coeff. (typ)(ppm/°C) Max. Idle State Supply Current @5V (µA) Features Smallest Available Package (max w/pins) (mm2)
DS3906  Pseudo-Log 3 2-Wire Non-Volatile 64 20 60 160
Custom Programmed Resistance Response
EEPROM Wiper Memory
Small Step-Size with External Resistance
15
See All Digital Potentiometers (121)

Key Specifications:   ESD Protection Diode Arrays
Part Number Protection Method Number of Channels Capacitance (pF) Supply Voltage (V) Package Smallest Available Package (max w/pins) (mm2)
DS9502  7.5V Snap-Back Zener 1 100 0.9 to 5.5 TSOC/6 18
DS9503  7.5V Snap-Back Zener with Two 5 Ohm Resistors 1 100  -  TSOC/6 18
See All ESD Protection Diode Arrays (13)

Key Specifications:   Memory (EPROM, EEPROM, ROM, NV SRAM)
Part Number Memory Type Memory Size Bus Type Real-Time Clock DIP with Internal Battery PowerCap Package Battery Monitor With GPIO Features Supply Voltage (min) (V) Supply Voltage (max) (V)
DS2432  EEPROM 1K x 1 1-Wire No No No No No
Secure Hash Standard
2.8 5.5
See All Memory (EPROM, EEPROM, ROM, NV SRAM) (54)

Key Specifications:   Secure Memory Devices
Part Number Memory Type Memory Size Bus Type Security Features VCC (V) Operating Temp. Range (°C) Package Smallest Available Package (max w/pins) (mm2)
DS2432  EEPROM 1K x 1 1-Wire Secure Hash Standard 5.5 -40 to +85 TSOC/6
WLCSP/8
5
See All Secure Memory Devices (4)



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